Zone Info shows what you've overzoned or not zoned enough.
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2497084396

More Employment Information (or alternatives, since many claim this wonderful amazing mod don't work well), shows what employment opportunities might be lacking.
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2448923697


https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2409471930

what's the mod for the demographic breakdowns?

I cheated, of course.

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=409069482